How many moles of N ar in 0.241g of N   O?                                                                  2

Q: A balloon filled with NO2 (g) has an initial volume of 8 L.  If half the NO2 reacts to form N2O4 (g)…

A:

Q: A 2.53 mol sample of Kr has a volume of 921 mL. How many moles of Kr are in a 4.52 L sample at the…

A: Initial number of moles of Kr gas (n1) = 2.53 mol Initial volume of the gas (V1) = 921 mL…

Q: A sample of neon gas collected at a pressure of 1.19 atm and a temperature of 10.0 °C is found to…

A: Given data of neon gas are, Pressure (P) =1.19 atm Volume of neon gas(V)=28.5 L Temperature of…

Q: A 0.0853 mol sample of an unknown gas contained in a 3.00 L flask is found to have a density of 1.37…

A: Given data :  1. No. Of mole = 0.0853 mol  2. Volume = 3.00 L  3. Density = 1.37 g/L  To calculate :…

Q: What is the mass of 2200 L of N2 at 1.00 atm and 25°C?

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: A 0.101 mol sample of O2 gas is contained in a 3.00 L flask at room temperature and pressure. What…

A:

Q: If 316 mL nitrogen is combined with 178 mL oxygen, what volume of N2O is produced at constant…

A: Determination of the volume of N2O At 316 mL nitrogen is combined with 178 mL of oxygen

Q: A 4.52x10-2 mol sample of O₂ gas is contained in a 2.00 L flask at room temperature and pressure.…

A:

Q: Calcium carbonate, CaCO3, reacts with hydrochloric acid as shown in the equation below CACO3(s) + +…

A: Recall the given reaction         CaCO3s + 2HClaq → CaCl2aq + H2Ol + CO2gGiven that,7.50×10-3 mol…

Q: 6.The combustion of propane gas produces carbon dioxide and water vapor.…

A: The balanced equation for the combustion of propane gas is as follows. C3H8g+5O2g→3CO2g+4H2Og From…

Q: If 2.56g of argon gas occupies a volume of 4.2 L, what volume will 1.18 moles or argon gas occupy…

A:

Q: 0.250 mol of N2 is placed into a 0.750 L container. What is the density of the gas? 84.1 g/L 4.67…

A:

Q: PV 1.00 atm x70 L n RT Lxatm 0.0821 x 295 К Кхmol

A:

Q: a) If 56.0 g of N2 gas occupies 44.8 L under Standard Conditions, then what is the mass of 134.4 L…

A: a) since the conditions of N2 and H2 are same. Hence using PV = nRT we can say that, n/V will be…

Q: How many grams of Fe2O3 can be produced if 4.24 grams of ironreacts with .725 liters of O2 gas @…

A:

Q: 15 What is the molar mass of argon such that the mass of 0.05mol of this gas is about 2g ? 6/The…

A: Mass of one mole of a sample is called a Molar mass of that sample.

Q: under certain conditions, Chlorine gas Lalz) nas a density of o.984 9/4. what is the moler volum e…

A: At standard temperature and pressure the molar volume is volume occupied by one mole of a chemical…

Q: If 2.57 g of argon gas occupies a volume of 4.15 L, what volume will 1.42 mol of argon occupy under…

A: Given, Initial volume, v1 = 4.15 L Mass of first sample of argon gas = 2.57 g Number of moles of…

Q: If 25.0 g O2 at STP is heated to 100.0°C, what is its new volume?

A: At STP Temperature(T1)=273.15K Pressure(P1)=1atm Weight=25gm T2=100°C V2=?

Q: A gaseous mixture of Ne and Ar has a density of 1.014 g/L at 2.439°C and 628.8 mm Hg. What is the…

A:

Q: How many moles of carbon dioxide gas will be created in 2.00 lol of KNO3 completely react ?

A:

Q: What volume of N, measured at 24 °C and 733 mm Hg, will b produced by the decomposition of 11.4 g…

A: Given :-  2NaN3(s) → 2 Na(s) + 3 N2(g) amount of NaN3 = 11.4 g  temperature = 24°C  pressure = 733…

Q: At 28 °C and 1.6 atm, what will be the volume of 91 mol of CH4?

A:

Q: How many moles are present in 2.80 liters of CI, gas?

A: We will consider this gas on STP

Q: Which of the following gas samples would have the largest volume, O 7x1023 molecules of O2 O 3.01…

A: Ideal gas law equation:- PV = nRT  Here P is pressure, V is volume, n is no. of moles of gas, R is…

Q: What volume (L) of H2 gas is produced when 92 g Zn (atomic weight: 65.38 g/mol) is decomposed…

A: Given: The mass of zinc is 92 g and its molar mass is 65.38 g/mol. The temperature is 0°C and…

Q: 1. Chromium and magnesium oxide are formed by reacting 75 g of chromium (III) oxide and 59 kg of…

A:

Q: What is the mass of a 5.6 liter (STP) sample of CO2 gas?

A: Given data, CO2 gas = 5.6 L 1 mole of CO2 occupies = 22.4 lit at S.T.P

Q: 12.2p. Assuming air is about 79% nitrogen (N2) and 21% oxygen (O2), calculate the average molar mass…

A:

Q: A sample of neon gas collected at a pressure of 1.19 atm and a temperature of 6.00 °C is found to…

A: At the given temperature, pressure, and volume the mole of gas can be calculated by the ideal gas…

Q: If 25.0 mL of nitrogen gas reacts with 80.0 mL of oxygen gas, what is the volume of N2O3N2O3…

A:

Q: Calculate the mass in grams for 5.42 x 1022 molecules of propane gas (C3H8) at STP. (Given that…

A: The data given in the following question- Molecules of C3H8 = 5.42 x 1022 Molar mass of C3H8 =…

Q: A gaseous compound has a density of 2.84 g/L at 1.00 atm and 45oC. What is the molar mass of the…

A:

Q: Given the following reaction: CuO (s) + H2(g) ®Cu (s) + H2O (g) If 250. L of hydrogen gas are used…

A:

Q: If .00901 mole of neon gas at a particular temperature and pressure occupies a volume of 242 ml,…

A:

Q: What volume of 2.50M sulfuric acid is needed to react completely with a 33.5g of aluminum?…

A:

Q: the volume of 0.510 mol of H2 at 47 °C and 1.6 atm pressure

A:

Q: 7. what s the volume of A.92 omeles f H at STP. what io the mass Pl 2.25 moles ef CHA gas at STP.

A: Given  ( a ) Number of mole of H2 at STP =  4.92 mole        Volume at STP = ? (b) Number of mole of…

Q: What volume at STP is occupied by 0.682 g of BCl3(g)

A: Molar mass of BCl3 , Mwt = 117.17 g/mol Given weight, W = 0.682 g Moles = W ÷ Mwt = 0.682 ÷ 117.17 =…

Q: How many moles in 38 L of H2?

A: Mole.can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: 140.1 g of a noble gas occupies 40.75 L at 758 mm Hg and 23.0°C. What is its molecular weight? which…

A: "Ideal gas equation" PV=nRT helps in estimating the mole numbers of any gaseous compound. For given…

Q: A high temperature reaction vessel is charged with 0.5080 mol of iron powder and 42.1 L of oxygen…

A: Recall the given reaction 4Fes + 3O2 g→ 2Fe2O3s Given that 0.5080 mol of iron is mixed with 42.1 L…

Q: A sample of gas was enriched to contain 2 % by mass of 15N with the remainder being 14N. Calculate…

A: • Average Atomic mass = Σ Mass of isotopes x Fraction of abundance• Molar mass of N2O = 2 x Atomic…

Q: he volume of gases generated ( in latm and 0°c)

A:

Q: mass

A:

Q: 2NO2(g) → N2O4(g) If 25.0 ml of ​NO2 gas ​is completely converted into ​N2O4​ gas under the same…

A:

Q: 3. Given a 0.0075 mol/L solution of KMnO, how would you prepare 50.0 mL of 0.0025 mol/L solution of…

A:

Q: How many atoms of nitrogen are there in a 230.0 mL sample of N2O4 gas that has a pressure of 745.0…

A: According to ideal gas law, PV = nRT where P = pressure in atm = pressure in mm Hg / 760 = 745 / 760…

Q: If 0.00901 mole of neon gas at a particular temperature and pressure occupies a volume of 242 mL,…

A: According to Avogadro, “at constant temperature and pressure, volumes of gases are related to…

Q: Please help me

A: Equation is given below.